Power House Generaor - Adjust

[Al 29Tudor]

Is the power house generator adjustable like the regulat generator with the moveable brush ?
Thanks,
Al

[Mike Peters]

Good question, Al.
Here's a three brush powerhouse. The upper brush in the photo has an adjusting slot, but I can't figure out how to move it. I loosened the mounting screw, but it won't budge. I've bench tested this one, and it works, so I'm not going to mess with it until someone chimes in with answers.
Powerhouse guys?

[Mike Peters]

Was searching ford barn archives and found this.
https://fordbarn.com/forum/showthread.php?t=58684

[rotorwrench]

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Both 5-brush and 3-brush powerhouse units adjust about the same way. Loosen the brush holder with the small brush and move it toward the closest ground brush to decrease current output. Move toward nearest power brush to increase current output. Secure the clamp up fastener and put the cover back on.

Be careful with the insulated brush frame. They are phenolic plastic and break easily after so many years. If the brush holder won't move then find out why with careful inspection and any required disassembly.